エアロビックフィットネス状態が,繰り返し走行するスプリントでの出力減少に及ぼす影響
Antonios Tsampoukos1, Mary E Nevill2, Keith Stokes3
1School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK - ATsampoukos@hotmail.com.
The Journal of sports medicine and physical fitness
|September 5, 2025
まとめ
4 mmol·L-1 血中乳酸 (%4mM) の強度は,VO2maxよりも繰り返しスプリントで出力回復を予測します. 女性のチームプレーヤーの回復率が4mM以上である.
科学分野:
- スポーツ科学
- 運動 生理学
- バイオテクノロジー
背景:
- エアロビックフィットネスは スプリントを繰り返すのに不可欠です
- 2つの主要な指標であるVO2maxと血中乳酸の濃度4 mmol·L-1 (%4mM) は,エアロビックフィットネスを評価するために一般的に使用されます.
- スプリント間の回復におけるこれらの指標の相対的な重要性は不明である.
研究 の 目的:
- 女性チームプレーヤーの繰り返し走行中の出力回復に対するVO2maxと%4mMの影響を調査する.
- スプリントパフォーマンス回復の予測値%4mMとVO2maxを比較する.
主な方法:
- 30人の女性チームプレーヤーは,VO2maxまたは% 4mMに基づいて,よく訓練されたおよび中等に訓練されたグループに分けられました.
- 参加者は30秒のスプリントを2分間の休憩で 無機械のトレッドミルで走った.
- 血中乳酸,pH,アンモニア,および血量は,静止状態で,スプリント前および後測定された.
主要な成果:
- よく訓練された個人は,中等に訓練された個人に比べてピークと平均出力の回復を大幅に改善しました.
- VO2maxで分層すると,よく訓練された群と中等に訓練された群の間では,出力回復の有意な違いは観察されなかった.
- 血液の代謝反応は,グループ分離に用いられた体格指数に関係なく,すべての状態で比較可能であった.
結論:
- 4 mmol·L-1 血中乳酸 (%4mM) の強度は,VO2maxよりも繰り返しスプリントする際の出力回復の決定的な要因です.
- %4mMは,高強度な運動の間に回復するアスリートの能力を評価するためのより効果的な生理学的マーカーとして機能します.
- これらの発見は,繰り返しスプリントする能力を必要とするスポーツのトレーニングプログラム設計とアスリートモニタリングに意味があります.
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